There’s the LSV classification up to 25 mph
https://electrek.co/2023/03/22/wink-motors-test-drive-electr...
https://electrek.co/2023/03/22/wink-motors-test-drive-electr...
I found 25 mph to be dangerously slow when other vehicles are moving 30-40mph, like on Oak, Fell, upper Market, etc.
Not to mention its punishingly harsh ride.